Removed a now unused endpoint from the accounts API. Updated some of the accounts links to point to www.docker.io as the account signup and resend-email-confirmation links should no longer point to the index. Docker-DCO-1.1-Signed-off-by: Josh Hawn <josh.hawn@docker.com> (github: jlhawn) Upstream-commit: c6060a3b25b94ae4738ac27bbf62cbb914af7ced Component: engine